Lackluster
WordNet
adjective
(1) Lacking luster or shine
"Staring with lackluster eyes"
"Lusterless hair"
(2) Lacking brilliance or vitality
"A dull lackluster life"
"A lusterless performance"
WiktionaryText
Adjective
- Lacking brilliance or intelligence
- Having no shine or lustre; dull
- Not exceptional; not worthy of special merit, attention, or interest; having no vitality
- The actor gave a lackluster performance in his latest film.